The Sinking City

This is the first tear you see when you come down the hill at the end of the game. Make sure you save before you go in and you will be able to reload and get the other two endings achievements without having to replay the whole game.

Taking this tear ends the game by suicide to restart the cycle and save mankind.

Walkthrough which explains in better detail!
https://www.neoseeker.com/the-sinking-city/walkthrough/Into_...